humanoidrobots.systems

Kepler Forerunner K2 "Bumblebee" vs Unitree H1

Generated from the registry · revision 2026-09-26 · openness out of 100

Kepler Forerunner K2 "Bumblebee" is 5 cm shorter (175 vs 180 cm) and 28 kg heavier (75 vs 47 kg) than Unitree H1. Kepler Forerunner K2 "Bumblebee" has 29 more degrees of freedom (52 vs 23) than Unitree H1. Openness score: Kepler Forerunner K2 "Bumblebee" 0, Unitree H1 40 (of 100); only Unitree H1 publishes SIM, SW and POL. Availability for both: buy.

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FieldKepler Robotics (Shanghai Kepler Exploration Robot Co.)Kepler Forerunner K2 "Bumblebee"Unitree RoboticsUnitree H1Δ first − second
Identity
Maker (differs)Kepler Robotics (Shanghai Kepler Exploration Robot Co.)Unitree Robotics
ClassHumanoidHumanoid
StatusActiveActive
AvailabilityBuyBuy
CountryChinaChina
Year (differs)20242023
Specifications
Height (differs)175cm180cm−5 cm (-3%)
Mass (differs)75kg47kg+28 kg (+60%)
Degrees of freedom (differs)5223+29 (+126%)
Payload30kg—unsourced
Top speed—unsourced3.3m/s
Runtime480min—unsourced
Battery capacity (differs)2,330Wh864Wh+1,466 Wh (+170%)
Price30,000USD—unsourced
Actuators (differs)Hybrid roller-screw linear + rotary actuatorsUnitree in-house electric joint motors
Compute (differs)100 TOPS onboardIntel Core i5 standard; i7 or Jetson Orin NX optional
Sensors (differs)80+ integrated sensors; tactile dexterous hands3D LiDAR, depth camera
Openness and provenance
Openness bar040
Openness score (differs)0/ 10040/ 100−40
CAD (25)not publicnot public
Bill of materials (20)not publicnot public
Sim model (URDF/MJCF) (20) (differs)not publicpublic
Firmware (15)not publicnot public
Software (10) (differs)not publicpublic
Trained policies (10) (differs)not publicpublic
Verification level (differs)L0L2
Sources22
Last checked2026-09-242026-09-24

A dash is an unsourced figure, not zero. Sources for each robot are listed on its spec sheet: Kepler Forerunner K2 "Bumblebee", Unitree H1.

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